/*
    This file is part of Slydini.

    Slydini is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    Slydini is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with Slydini.  If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _HAND_TRACKER_H
#define _HAND_TRACKER_H

#include <vector>
#include <cv.h>
#include "../frame_evaluation/hand.h"
#include "../bezier/bezier.h"

using namespace std;

struct HandState {
	bool clicked;
};

struct TrackedHand {
	CvPoint position;
	HandState state;
//	int firstFrame;
//	int lastFrame;
	bool confirmed;
};

class HandTracker {
	public:
		bool handDetected();
		HandTracker(int clickThreshold);
		void update(Hand hand);
		TrackedHand getTrackedHand();
	private:
		Bezier *bezier;
		vector<CvPoint> fingerPositions;
		int updates;
		int clickThreshold;
		TrackedHand trackedHand;
};

#endif
